//go:build integration

package httpx

import (
	"io"
	"net/http"
	"strings"
	"testing"

	"bountyboard/internal/store"
)

func seedAwards(t *testing.T, st *store.Store, devID, consID, custID string, amounts []float64) {
	t.Helper()
	for i, amt := range amounts {
		a := &store.BountyAward{
			TaskID:      "01JTASK" + strings.Repeat("0", 18-len(string(rune(i)))) + string(rune('A'+i)),
			DeveloperID: devID, ConsultantID: consID, CustomerID: custID,
			Amount: amt, Coefficient: 0.25,
		}
		if err := st.InsertAward(t.Context(), a); err != nil {
			t.Fatal(err)
		}
	}
}

func TestDeveloperMetricsAndCSV(t *testing.T) {
	ts, _, st, _ := newAuthStack(t, nil)
	dc := newClient(t)
	dev := registerUser(t, ts.URL, dc, "metrics-dev@example.com", "Metrics Dev")
	seedAwards(t, st, dev.ID, "01JCONS", "01JCUST", []float64{250, 100, 50.5})

	resp, err := dc.Get(ts.URL + "/api/v1/developer/metrics")
	if err != nil {
		t.Fatal(err)
	}
	var out struct {
		TotalBounty    float64 `json:"totalBounty"`
		TasksCompleted int64   `json:"tasksCompleted"`
		Weekly         []struct {
			Amount float64 `json:"amount"`
		} `json:"weekly"`
	}
	bodyJSON(t, resp, &out)
	if out.TotalBounty != 400.5 || out.TasksCompleted != 3 {
		t.Fatalf("totals: %+v", out)
	}
	if len(out.Weekly) == 0 {
		t.Fatal("weekly series empty")
	}

	// CSV export
	resp, err = dc.Get(ts.URL + "/api/v1/developer/metrics?format=csv")
	if err != nil {
		t.Fatal(err)
	}
	defer resp.Body.Close()
	if ct := resp.Header.Get("Content-Type"); !strings.HasPrefix(ct, "text/csv") {
		t.Fatalf("csv content type: %q", ct)
	}
	body, _ := io.ReadAll(resp.Body)
	lines := strings.Split(strings.TrimSpace(string(body)), "\n")
	if len(lines) != 4 { // header + 3 rows
		t.Fatalf("csv lines = %d: %s", len(lines), body)
	}
	if !strings.HasPrefix(lines[0], "awardedAt,taskId,developer") {
		t.Fatalf("csv header: %s", lines[0])
	}
}

func TestLeaderboardOptOut(t *testing.T) {
	ts, _, st, _ := newAuthStack(t, nil)
	c1 := newClient(t)
	dev1 := registerUser(t, ts.URL, c1, "lb1@example.com", "LB One")
	csrf1 := csrfFrom(t, c1, ts.URL)
	c2 := newClient(t)
	dev2 := registerUser(t, ts.URL, c2, "lb2@example.com", "LB Two")
	seedAwards(t, st, dev1.ID, "01JCONS", "01JCUST", []float64{500})
	seedAwards(t, st, dev2.ID, "01JCONS", "01JCUST", []float64{300})

	resp, err := c1.Get(ts.URL + "/api/v1/leaderboard")
	if err != nil {
		t.Fatal(err)
	}
	var out struct {
		Leaderboard []struct {
			DeveloperID string  `json:"developerId"`
			Amount      float64 `json:"amount"`
		} `json:"leaderboard"`
	}
	bodyJSON(t, resp, &out)
	if len(out.Leaderboard) != 2 || out.Leaderboard[0].DeveloperID != dev1.ID {
		t.Fatalf("leaderboard: %+v", out.Leaderboard)
	}

	// dev1 opts out → only dev2 remains
	resp = patchJSON(t, c1, ts.URL+"/api/v1/profile",
		map[string]any{"settings": map[string]any{"leaderboardOptOut": true}}, csrf1)
	if resp.StatusCode != http.StatusOK {
		t.Fatalf("opt out: %d", resp.StatusCode)
	}
	resp.Body.Close()

	resp, _ = c1.Get(ts.URL + "/api/v1/leaderboard")
	bodyJSON(t, resp, &out)
	if len(out.Leaderboard) != 1 || out.Leaderboard[0].DeveloperID != dev2.ID {
		t.Fatalf("leaderboard after opt-out: %+v", out.Leaderboard)
	}
}

func TestConsultantMetricsScope(t *testing.T) {
	ts, _, st, _ := newAuthStack(t, nil)
	cc := newClient(t)
	cons := registerUser(t, ts.URL, cc, "m-cons@example.com", "M Cons")
	promote(t, st, cons.ID, map[string]bool{"consultant": true})
	otherCons := "01JOTHERCONSULTANT0000000X"

	seedAwards(t, st, "01JDEVA", cons.ID, "01JCUSTA", []float64{100, 200})
	seedAwards(t, st, "01JDEVB", otherCons, "01JCUSTB", []float64{999})

	resp, err := cc.Get(ts.URL + "/api/v1/consultant/metrics")
	if err != nil {
		t.Fatal(err)
	}
	var out struct {
		TotalBounty  float64 `json:"totalBounty"`
		PerDeveloper []struct {
			Amount float64 `json:"amount"`
		} `json:"perDeveloper"`
	}
	bodyJSON(t, resp, &out)
	// only own-consultant awards counted (999 from the other consultant excluded)
	if out.TotalBounty != 300 {
		t.Fatalf("consultant total = %v, want 300", out.TotalBounty)
	}
}